Above: A one-story-high vertical wall of potted plants provides enough greenery to create an entire garden on a small, enclosed city patio. “We chose plants that provide a gentle fragrance for the owners and are also selected to best suit the climate and thrive in the existing conditions,” says Larritt-Evans.

Suitable plants include fragrant Mediterranean herbs, which thrive in a sunny, dry climate.

“The system we used can be custom made to size,” says Larritt-Evans, “and we opted to have an inbuilt irrigation system on a timer.” The irrigation system limits water use to a bare minimum and delivers moisture directly to the plants’ roots.